Home / 172,416,197.60-258,624,296.40-153,709,474.40

Finding the Fourth Proportional to 172,416,197.60, 258,624,296.40 and 153,709,474.40

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Solution

The fourth proportional to 172,416,197.60, 258,624,296.40 and 153,709,474.40 is: 230,564,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,416,197.60 : 258,624,296.40 = 153,709,474.40 : x
  2. Step 2: Convert to fraction form
    172,416,197.60/258,624,296.40 = 153,709,474.40/x
  3. Step 3: Cross multiply
    172,416,197.60x = 258,624,296.40 × 153,709,474.40
  4. Step 4: Simplify right side
    172,416,197.60x = 39,753,004,666,713,816
  5. Step 5: Solve for x
    x = 39,753,004,666,713,816/172,416,197.60
  6. Step 6: Final answer
    x = 230,564,211.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.